If a number is reduced by 40% it becomes twothirds of another number. What is the ratio of the first number to the second number? 


(a) 
8:9 
(b) 
9:8 
(c) 
10:9 
(d) 
9:10 
If a number is reduced by 40% it becomes twothirds of another number. What is the ratio of the first number to the second number? 


(a) 
8:9 
(b) 
9:8 
(c) 
10:9 
(d) 
9:10 
Let the numbers be and respectively.
Then, of